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    What Your Smartwatch Actually Tracks Well
    Wearables

    What Your Smartwatch Actually Tracks Well

    Sleep, stress and steps — separating reliable data from marketing noise.

    Aarav Kapoor Aarav Kapoor Senior Audio Editor 04 August 2026 5 min read 16 views
    What Your Smartwatch Actually Tracks Well

    Understanding Smartwatch Sensors

    Modern wearables claim to monitor everything from blood pressure to body fat percentages. However, only a few metrics are verified to have high clinical accuracy.

    What Tracks Well

    • Heart Rate (95%+ accuracy compared to chest straps)
    • GPS Steps & Running distance
    • Sleep Patterns (deep, REM, and light sleep logs)

    Other readings like stress levels are based on heart rate variability algorithms and should be taken as estimates rather than medical diagnostics.

    Aarav Kapoor
    Written by (Senior Audio Editor)

    Aarav Kapoor

    Aarav is our fitness tracker and smartwatch reviewer.

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